LXR qemu/replay/replay-audio.c

   1/*
   2 * replay-audio.c
   3 *
   4 * Copyright (c) 2010-2017 Institute for System Programming
   5 *                         of the Russian Academy of Sciences.
   6 *
   7 * This work is licensed under the terms of the GNU GPL, version 2 or later.
   8 * See the COPYING file in the top-level directory.
   9 *
  10 */
  11
  12#include "qemu/osdep.h"
  13#include "qemu/error-report.h"
  14#include "sysemu/replay.h"
  15#include "replay-internal.h"
  16#include "sysemu/sysemu.h"
  17#include "audio/audio.h"
  18
  19void replay_audio_out(int *played)
  20{
  21    if (replay_mode == REPLAY_MODE_RECORD) {
  22        replay_save_instructions();
  23        replay_mutex_lock();
  24        replay_put_event(EVENT_AUDIO_OUT);
  25        replay_put_dword(*played);
  26        replay_mutex_unlock();
  27    } else if (replay_mode == REPLAY_MODE_PLAY) {
  28        replay_account_executed_instructions();
  29        replay_mutex_lock();
  30        if (replay_next_event_is(EVENT_AUDIO_OUT)) {
  31            *played = replay_get_dword();
  32            replay_finish_event();
  33            replay_mutex_unlock();
  34        } else {
  35            replay_mutex_unlock();
  36            error_report("Missing audio out event in the replay log");
  37            abort();
  38        }
  39    }
  40}
  41
  42void replay_audio_in(int *recorded, void *samples, int *wpos, int size)
  43{
  44    int pos;
  45    uint64_t left, right;
  46    if (replay_mode == REPLAY_MODE_RECORD) {
  47        replay_save_instructions();
  48        replay_mutex_lock();
  49        replay_put_event(EVENT_AUDIO_IN);
  50        replay_put_dword(*recorded);
  51        replay_put_dword(*wpos);
  52        for (pos = (*wpos - *recorded + size) % size ; pos != *wpos
  53             ; pos = (pos + 1) % size) {
  54            audio_sample_to_uint64(samples, pos, &left, &right);
  55            replay_put_qword(left);
  56            replay_put_qword(right);
  57        }
  58        replay_mutex_unlock();
  59    } else if (replay_mode == REPLAY_MODE_PLAY) {
  60        replay_account_executed_instructions();
  61        replay_mutex_lock();
  62        if (replay_next_event_is(EVENT_AUDIO_IN)) {
  63            *recorded = replay_get_dword();
  64            *wpos = replay_get_dword();
  65            for (pos = (*wpos - *recorded + size) % size ; pos != *wpos
  66                 ; pos = (pos + 1) % size) {
  67                left = replay_get_qword();
  68                right = replay_get_qword();
  69                audio_sample_from_uint64(samples, pos, left, right);
  70            }
  71            replay_finish_event();
  72            replay_mutex_unlock();
  73        } else {
  74            replay_mutex_unlock();
  75            error_report("Missing audio in event in the replay log");
  76            abort();
  77        }
  78    }
  79}
  80